33 C.F.R. §§ 137.45–137.80

Interviews with owners, operators, and occupants of the facility and the real property on which the facility is located must be conducted for the purposes of achieving the objectives and performance factors of § 137.30(a) and (b).

The inquiry of the environmental professional must include interviewing the current owner and occupant of the facility and the real property on which the facility is located. If the facility and the real property on which the facility is located has multiple occupants, the inquiry of the environmental professional must include interviewing major occupants, as well as those occupants likely to use, store, treat, handle or dispose of oil or those who have likely done so in the past.

The inquiry of the environmental professional also must include, to the extent necessary to achieve the objectives and performance factors in § 137.30(a) and (b), interviewing one or more of the following persons:

In the case of inquiries conducted at abandoned properties where there is evidence of potential unauthorized uses or evidence of uncontrolled access, the environmental professional's inquiry must include an interview of at least one owner or occupant of a neighboring property from which it appears possible that the owner or occupant of the neighboring property could have observed use or other presence or likely presence of oil.

Historical documents and records must be reviewed for the purposes of achieving the objectives and performance factors of § 137.30(a) and (b). Historical documents and records may include, but are not limited to, aerial photographs, fire insurance maps, building department records, chain of title documents, and land use records.

Historical documents and records reviewed must cover a period of time as far back in the history of the real property to when the first structure was built or when it was first used for residential, agricultural, commercial, industrial, or governmental purposes. The environmental professional may exercise professional judgment in context of the facts available at the time of the inquiry as to how far back in time it is necessary to search historical records.

All appropriate inquiries must include a search for the existence of environmental cleanup liens against the facility and the real property on which the facility is located that are filed or recorded under Federal, State, tribal, or local law.

All information collected by persons specified in § 137.1(a) rather than an environmental professional regarding the existence of environmental cleanup liens associated with the facility and the real property on which the facility is located may be provided to the environmental professional or retained by the applicable party.

Federal, State, tribal, and local government records or databases of government records of the facility, the real property on which the facility is located, and adjoining properties must be reviewed for the purposes of achieving the objectives and performance factors of § 137.30(a) and (b).

With regard to the facility and the property on which the facility is located, the review of Federal, State, and tribal government records or databases of the government records and local government records and databases of the records should include—

With regard to nearby or adjoining properties, the review of Federal, State, tribal, and local government records or databases of government records should include the identification of the following:

The search distance from the real property boundary for reviewing government records or databases of government records listed in paragraph (c) of this section may be modified based upon the professional judgment of the environmental professional. The rationale for the modifications must be documented by the environmental professional. The environmental professional may consider one or more of the following factors in determining an alternate appropriate search distance—

For the purpose of achieving the objectives and performance factors of § 137.30(a) and (b), the inquiry of the environmental professional must include the following:

Except as in paragraph (c) of this section, a visual on-site inspection of the facility and the real property on which the facility is located must be conducted.

An on-site inspection is not required if an on-site visual inspection of the facility and the real property on which the facility is located cannot be performed because of physical limitations, remote and inaccessible location, or other inability to obtain access to the facility and the real property on which the facility is located after good faith efforts have been taken to obtain access. The mere refusal of a voluntary seller to provide access to the facility and the real property on which the facility is located is not justification for not conducting an on-site inspection. The inquiry of the environmental professional must include—

For the purpose of identifying conditions indicative of the presence or likely presence of oil at the facility and the real property on which the facility is located, persons specified in § 137.1(a) must take into account their own specialized knowledge of the facility and the real property on which the facility is located, the area surrounding the facility and the real property on which the facility is located, and the conditions of adjoining properties and their experience relevant to the inquiry.

The results of all appropriate inquiries under § 137.33 must take into account the relevant and applicable specialized knowledge and experience of the persons specified in § 137.1(a) responsible for undertaking the inquiry.

Persons specified in § 137.1(a) must consider whether the purchase price of the facility and the real property on which the facility is located reasonably reflects the fair market value of the facility and real property if oil was not present or likely present.

If the persons conclude that the purchase price does not reasonably reflect the fair market value of that facility and real property if oil was not at the facility and the real property, they must consider whether or not the differential in purchase price and fair market value is due to the presence or likely presence of oil.

Throughout the inquiries, persons specified in § 137.1(a) and environmental professionals conducting the inquiry must take into account commonly known or reasonably ascertainable information within the local community about the facility and the real property on which the facility is located and consider that information when seeking to identify conditions indicative of the presence or likely presence of oil at the facility and the real property.

Commonly known information may include information obtained by the person specified in § 137.1(a) or by the environmental professional about the presence or likely presence of oil at the facility and the real property on which the facility is located that is incidental to the information obtained during the inquiry of the environmental professional.

To the extent necessary to achieve the objectives and performance factors of § 137.30(a) and (b), the person specified in § 137.1(a) and the environmental professional must gather information from varied sources whose input either individually or taken together may provide commonly known or reasonably ascertainable information about the facility and the real property on which the facility is located; the environmental professional may refer to one or more of the following sources of information: